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St. Johnsbury December Monthly Average Temperatures

A time series of monthly average December temperatures in St. Johnsbury, Vermont from 1894–2022.

Hottest December in St. Johnsbury History

The hottest December in St. Johnsbury, Vermont history occurred in 2015, when the average temperature of 35.6 °F was 10.5 °F higher than normal.

Coldest December in St. Johnsbury History

The coldest December in St. Johnsbury, Vermont history occurred in 1989, when the average temperature of 5.3 °F was 19.8 °F below normal.

St. Johnsbury Average December Temperature by Year

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Year	Temperature (°F)	to Normal (°F)
2022	29.6	4.5
2021	28.6	3.5
2020	29.5	4.4
2019	24.6	-0.5
2018	23.5	-1.6
2017	17.9	-7.2
2016	24.7	-0.4
2015	35.6	10.5
2014	27.8	2.7
2013	22.4	-2.7
2012	28.0	2.9
2011	27.8	2.7
2010	22.2	-2.9
2009	23.2	-1.9
2008	24.0	-1.1
2007	22.9	-2.2
2006	31.0	5.9
2005	21.8	-3.3
2004	22.7	-2.4
2003	21.5	-3.6
2002	22.2	-2.9
2001	30.4	5.3
2000	17.5	-7.6
1999	26.9	1.8
1998	29.7	4.6
1997	22.8	-2.3
1996	30.4	5.3
1995	18.7	-6.4
1994	27.0	1.9
1993	23.5	-1.6
1992	25.8	0.7
1991	20.9	-4.2
1990	27.7	2.6
1989	5.3	-19.8
1988	19.5	-5.6
1986	25.1	0.0
1985	19.4	-5.7
1984	27.1	2.0
1983	19.7	-5.4
1982	29.1	4.0
1981	24.7	-0.4
1980	14.2	-10.9
1979	27.1	2.0
1978	22.0	-3.1
1977	20.1	-5.0
1976	15.0	-10.1
1973	26.1	1.0
1972	22.2	-2.9
1971	21.7	-3.4
1970	16.6	-8.5
1969	21.1	-4.0
1968	17.9	-7.2
1967	24.5	-0.6
1966	23.4	-1.7
1965	26.0	0.9
1964	23.2	-1.9
1963	13.2	-11.9
1962	19.4	-5.7
1961	24.8	-0.3
1960	18.7	-6.4
1959	25.5	0.4
1958	9.1	-16.0
1957	28.7	3.6
1956	25.9	0.8
1955	14.4	-10.7
1954	22.8	-2.3
1953	29.7	4.6
1952	25.7	0.6
1951	21.5	-3.6
1950	25.7	0.6
1949	26.5	1.4
1948	27.3	2.2
1947	16.6	-8.5
1946	23.8	-1.3
1945	18.2	-6.9
1944	17.9	-7.2
1943	14.6	-10.5
1942	17.4	-7.7
1941	23.2	-1.9
1940	20.9	-4.2
1939	21.7	-3.4
1938	24.4	-0.7
1937	20.5	-4.6
1936	22.9	-2.2
1935	16.9	-8.2
1934	17.7	-7.4
1933	14.3	-10.8
1932	27.1	2.0
1931	24.1	-1.0
1930	23.4	-1.7
1929	19.8	-5.3
1928	26.3	1.2
1927	23.8	-1.3
1926	16.0	-9.1
1925	21.5	-3.6
1924	17.9	-7.2
1923	29.2	4.1
1922	18.5	-6.6
1921	18.7	-6.4
1920	24.3	-0.8
1919	15.8	-9.3
1918	25.0	-0.1
1917	8.6	-16.5
1916	19.9	-5.2
1914	19.8	-5.3
1913	24.2	-0.9
1912	26.5	1.4
1911	27.7	2.6
1910	13.9	-11.2
1909	21.0	-4.1
1907	23.7	-1.4
1904	11.8	-13.3
1903	17.1	-8.0
1902	16.3	-8.8
1901	21.6	-3.5
1900	15.9	-9.2
1899	24.7	-0.4
1898	20.8	-4.3
1896	16.0	-9.1
1895	23.3	-1.8
1894	21.4	-3.7

Monthly average temperature is the mean of the daily high and low temperatures for the month
"Normal" is based on the average for the years 1991–2020